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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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dd23e1d566
Currently we disallow the runtime PM of the HD-audio controller if it's bound with HDMI/DP on Nvidia / AMD unless it's for dGPU. This is for keeping the link up to get the proper notification for ELD hotplug. As explained in the commit37a3a98ef6("ALSA: hda - Enable runtime PM only for discrete GPU"), this keep-power-up behavior is rather a stop-gap solution until the ELD notification via audio component. And now we finally got the audio component for these graphics drivers via commitade49db337("ALSA: hda/hdmi - Allow audio component for AMD/ATI and Nvidia HDMI"), so it's time to change. This patch makes HD-audio controller again runtime-suspendable when the device gets bound with audio component in HDMI codec driver. For making it easier to access from the codec driver, move the flag into the common hda_bus object instead of hda_intel flag. Also rename it to keep_power, to indicate the actual meaning. Signed-off-by: Takashi Iwai <tiwai@suse.de>
35 lines
723 B
C
35 lines
723 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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*/
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#ifndef __SOUND_HDA_INTEL_H
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#define __SOUND_HDA_INTEL_H
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#include "hda_controller.h"
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struct hda_intel {
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struct azx chip;
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/* for pending irqs */
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struct work_struct irq_pending_work;
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/* sync probing */
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struct completion probe_wait;
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struct work_struct probe_work;
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/* card list (for power_save trigger) */
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struct list_head list;
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/* extra flags */
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unsigned int irq_pending_warned:1;
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unsigned int probe_continued:1;
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/* vga_switcheroo setup */
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unsigned int use_vga_switcheroo:1;
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unsigned int vga_switcheroo_registered:1;
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unsigned int init_failed:1; /* delayed init failed */
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bool need_i915_power:1; /* the hda controller needs i915 power */
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};
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#endif
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